{"id":253531,"date":"2026-08-13T11:04:32","date_gmt":"2026-08-13T15:04:32","guid":{"rendered":"https:\/\/ibkrcampus.com\/campus\/?post_type=glossary-terms&#038;p=253531"},"modified":"2026-08-13T11:04:35","modified_gmt":"2026-08-13T15:04:35","slug":"unit-commitment","status":"publish","type":"glossary-terms","link":"https:\/\/www.interactivebrokers.com\/campus\/glossary-terms\/unit-commitment\/","title":{"rendered":"Unit Commitment"},"content":{"rendered":"\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/ndcdyn.interactivebrokers.com\/mkt\/?src=glossGenAcc&amp;url=%2FUniversal%2FApplication\" target=\"_blank\" rel=\"noreferrer noopener\">Open Account<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unit commitment is the scheduling decision made by a grid operator about which generating units to bring online, in what order and at what location, usually settled a day in advance of delivery. The decision is made ahead of time because many thermal plants cannot start on demand, requiring hours of notice, and because positioning generation closer to expected load reduces transmission congestion. Since expected temperature is among the main drivers of next-day electricity demand, the accuracy of the temperature forecast feeding a commitment decision has direct cost consequences, with an under-committed system forced to buy expensive fast-start generation and an over-committed one running units at a loss.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Unit commitment is the scheduling decision made by a grid operator about which generating units to bring online, in what order and at what location, usually settled a day in advance of delivery. The decision is made ahead of time because many thermal plants cannot start on demand, requiring hours of notice, and because positioning generation closer to expected load reduces transmission congestion. Since expected temperature is among the main drivers of next-day electricity demand, the accuracy of the temperature forecast feeding a commitment decision has direct cost consequences, with an under-committed system forced to buy expensive fast-start generation and an over-committed one running units at a loss.<\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"traders-glossary":[13251,13264],"class_list":["post-253531","glossary-terms","type-glossary-terms","status-publish","traders-glossary-trading-alphabet","traders-glossary-trading-terms-u"],"pp_statuses_selecting_workflow":false,"pp_workflow_action":"current","pp_status_selection":"publish","acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.9 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Archives Term | IBKR Glossary | IBKR Campus<\/title>\n<meta name=\"description\" content=\"The 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